module ChefMetal
  class Provisioner
    def create_machine(instance)
    end
    def delete_machine(instance)
    end
    def stop_machine(instance)
    end
  end
end

module ChefMetal
  class Instance
    def create
    end
    def delete
    end
    def stop
    end
    def converge
    end
    def

  end
end


- MachineList (physical)
  - Driver (lists, creates, deletes associated machines)
    EC2
    LXC
    Docker
    BareMetal
  - Machine (physical)
    - Transport
      SSH (+Rsync)
      WinRM
      LXC IPC
      Docker API
    - Provisioner
      Chef Client
      Puppet

- Cluster (logical)
  Chef server
  Puppet master
  - Instance (logical)
    create
    delete
    exists?
    provision
    verify
    execute
    upload/download